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Finding the Fourth Proportional to 69,407.60, 95,782.38 and 37,576.49

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Solution

The fourth proportional to 69,407.60, 95,782.38 and 37,576.49 is: 51,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,407.60 : 95,782.38 = 37,576.49 : x
  2. Step 2: Convert to fraction form
    69,407.60/95,782.38 = 37,576.49/x
  3. Step 3: Cross multiply
    69,407.60x = 95,782.38 × 37,576.49
  4. Step 4: Simplify right side
    69,407.60x = 3,599,165,644.25
  5. Step 5: Solve for x
    x = 3,599,165,644.25/69,407.60
  6. Step 6: Final answer
    x = 51,855.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.